List of usage examples for org.eclipse.jface.viewers TreeViewerColumn TreeViewerColumn
public TreeViewerColumn(TreeViewer viewer, TreeColumn column)
From source file:uk.ac.diamond.scisoft.analysis.rcp.hdf5.HDF5TableTree.java
License:Open Source License
/** * @param parent//from w w w . j av a 2 s . com * @param slistener for single clicks * @param dlistener for double clicks * @param clistener for context click */ public HDF5TableTree(Composite parent, Listener slistener, Listener dlistener, Listener clistener) { super(parent, SWT.NONE); setLayout(new FillLayout()); this.slistener = slistener; this.dlistener = dlistener; this.clistener = clistener; // set up tree filter to omit following node names treeFilter = new TreeFilter(new String[] { "target", NexusTreeUtils.NX_CLASS }); // set up tree and its columns tViewer = new TreeViewer(this, SWT.BORDER | SWT.VIRTUAL); tViewer.setUseHashlookup(true); final Tree tree = tViewer.getTree(); tree.setHeaderVisible(true); String[] titles = { "Name", "Class", "Dims", "Type", "Data" }; int[] widths = { 250, 120, 80, 60, 300 }; TreeViewerColumn tVCol; headerMenu = new Menu(parent.getShell(), SWT.POP_UP); for (int i = 0; i < titles.length; i++) { tVCol = new TreeViewerColumn(tViewer, SWT.NONE); final TreeColumn tCol = tVCol.getColumn(); tCol.setText(titles[i]); tCol.setWidth(widths[i]); tCol.setMoveable(true); final MenuItem item = new MenuItem(headerMenu, SWT.CHECK); item.setText(titles[i]); item.setSelection(true); item.addListener(SWT.Selection, new Listener() { @Override public void handleEvent(Event event) { if (!item.getSelection()) { int width = tCol.getWidth(); tCol.setData("restoredWidth", Integer.valueOf(width)); tCol.setWidth(0); } else { int width = (Integer) tCol.getData("restoredWidth"); tCol.setWidth(width); } } }); } treeMenu = new Menu(parent.getShell(), SWT.POP_UP); // TODO make context menu dependent on node (use a SWT.Show listener on menu) if (clistener != null) { treeMenu.addListener(SWT.Show, new Listener() { @Override public void handleEvent(Event event) { // get selection and decide ITreeSelection sel = (ITreeSelection) tViewer.getSelection(); Object obj = sel.getFirstElement(); boolean enable = false; if (obj instanceof NodeLink) { NodeLink link = (NodeLink) obj; enable = link.isDestinationData() && !((DataNode) link.getDestination()).isString(); } else if (obj instanceof Attribute) { enable = !((Attribute) obj).isString(); } for (MenuItem m : treeMenu.getItems()) { m.setEnabled(enable); m.setText(enable ? MSG_ENABLED : MSG_DISABLED); } } }); MenuItem item = new MenuItem(treeMenu, SWT.PUSH); item.addListener(SWT.Selection, clistener); } tree.addListener(SWT.MenuDetect, new Listener() { @Override public void handleEvent(Event event) { Point pt = getDisplay().map(null, tree, new Point(event.x, event.y)); Rectangle clientArea = tree.getClientArea(); boolean header = clientArea.y <= pt.y && pt.y < (clientArea.y + tree.getHeaderHeight()); tree.setMenu(header ? headerMenu : treeMenu); } }); tViewer.setContentProvider(new HDF5LazyContentProvider(tViewer, treeFilter)); tViewer.setLabelProvider(new HDF5LabelProvider()); if (slistener != null) tree.addListener(SWT.MouseUp, slistener); if (dlistener != null) tree.addListener(SWT.MouseDoubleClick, dlistener); }
From source file:uk.ac.diamond.scisoft.analysis.rcp.nexus.NexusTableTree.java
License:Apache License
/** * @param parent/*www . j a va 2 s . c o m*/ * @param slistener for single clicks * @param dlistener for double clicks */ public NexusTableTree(Composite parent, Listener slistener, Listener dlistener) { super(parent, SWT.NONE); setLayout(new FillLayout()); this.slistener = slistener; this.dlistener = dlistener; // set up tree filter to omit following node names final String[] nodeNames = new String[] { "target" }; treeFilter = new TreeFilter(nodeNames); // set up tree and its columns tViewer = new TreeViewer(this, SWT.BORDER | SWT.VIRTUAL); tViewer.setUseHashlookup(true); Tree tree = tViewer.getTree(); tree.setHeaderVisible(true); String[] titles = { "Name", "Class", "Dims", "Type", "Data" }; int[] widths = { 250, 120, 80, 60, 300 }; TreeViewerColumn tVCol; for (int i = 0; i < titles.length; i++) { tVCol = new TreeViewerColumn(tViewer, SWT.NONE); TreeColumn tCol = tVCol.getColumn(); tCol.setText(titles[i]); tCol.setWidth(widths[i]); tCol.setMoveable(true); } tViewer.setContentProvider(new NexusLazyContentProvider(tViewer, treeFilter)); tViewer.setLabelProvider(new NexusLabelProvider()); if (slistener != null) tree.addListener(SWT.MouseUp, slistener); if (dlistener != null) tree.addListener(SWT.MouseDoubleClick, dlistener); addMenu(tViewer); }
From source file:uk.ac.diamond.sda.navigator.views.FileView.java
License:Open Source License
@Override public void createPartControl(final Composite parent) { parent.setLayout(new GridLayout(1, false)); final Composite top = new Composite(parent, SWT.NONE); top.setLayout(new GridLayout(2, false)); top.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false)); final Label fileLabel = new Label(top, SWT.NONE); fileLabel.setLayoutData(new GridData(SWT.CENTER, SWT.CENTER, false, false)); try {/* w w w . ja v a 2 s . co m*/ IFileIconService service = FileIconServiceHolder.getFileIconService(); final Image icon = service.getIconForFile(OSUtils.isWindowsOS() ? "C:/Windows/" : "/"); fileLabel.setImage(icon); } catch (Exception e) { logger.error("Cannot get icon for system root!", e); } this.filePath = new Text(top, SWT.BORDER); if (savedSelection != null) filePath.setText(savedSelection.toAbsolutePath().toString()); filePath.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true)); final FileContentProposalProvider prov = new FileContentProposalProvider(); final TextContentAdapter adapter = new TextContentAdapter(); final ContentProposalAdapter ad = new ContentProposalAdapter(filePath, adapter, prov, null, null); ad.setProposalAcceptanceStyle(ContentProposalAdapter.PROPOSAL_REPLACE); ad.addContentProposalListener(new IContentProposalListener() { @Override public void proposalAccepted(IContentProposal proposal) { final String path = proposal.getContent(); try { updatingTextFromTreeSelections = false; setSelectedFile(path); } finally { updatingTextFromTreeSelections = true; } } }); filePath.addKeyListener(new KeyAdapter() { @Override public void keyPressed(KeyEvent e) { if (e.character == '\t') { if (ad.isProposalPopupOpen()) { if (prov.getFirstPath() != null) { final String path = prov.getFirstPath(); filePath.getDisplay().asyncExec(new Runnable() { @Override public void run() { try { updatingTextFromTreeSelections = false; filePath.setFocus(); filePath.setText(path); setSelectedFile(path); filePath.setFocus(); filePath.setSelection(path.length(), path.length()); } finally { updatingTextFromTreeSelections = true; } } }); } } } else if (e.character == '\t' || e.character == '\n' || e.character == '\r') { final String path = filePath.getText(); try { updatingTextFromTreeSelections = false; setSelectedFile(path); } finally { updatingTextFromTreeSelections = true; } } } }); tree = new TreeViewer(parent, SWT.MULTI | SWT.H_SCROLL | SWT.V_SCROLL | SWT.FULL_SELECTION | SWT.BORDER | SWT.VIRTUAL); tree.getTree().setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true)); tree.getTree().setHeaderVisible(true); tree.setUseHashlookup(true); tree.addSelectionChangedListener(new ISelectionChangedListener() { @Override public void selectionChanged(SelectionChangedEvent event) { if (!updatingTextFromTreeSelections) return; final Path file = getSelectedPath(); if (file != null && Files.isDirectory(file)) { try { ad.setEnabled(false); filePath.setText(file.toAbsolutePath().toString()); filePath.setSelection(filePath.getText().length()); } finally { ad.setEnabled(true); } } } }); final String[] titles = { "Name", "Date", "Type", "Size", "Comment", "Scan Command" }; IPreferenceStore store = NavigatorRCPActivator.getDefault().getPreferenceStore(); boolean showDate = store.getBoolean(FileNavigatorPreferenceConstants.SHOW_DATE_COLUMN); boolean showType = store.getBoolean(FileNavigatorPreferenceConstants.SHOW_TYPE_COLUMN); boolean showSize = store.getBoolean(FileNavigatorPreferenceConstants.SHOW_SIZE_COLUMN); boolean showComment = store.getBoolean(FileNavigatorPreferenceConstants.SHOW_COMMENT_COLUMN); boolean showScanCmd = store.getBoolean(FileNavigatorPreferenceConstants.SHOW_SCANCMD_COLUMN); // we listen to the preference store property changes store.addPropertyChangeListener(new IPropertyChangeListener() { @Override public void propertyChange(PropertyChangeEvent event) { if (event.getProperty().equals(FileNavigatorPreferenceConstants.SHOW_DATE_COLUMN)) { setColumnVisible(1, 120, (Boolean) event.getNewValue()); } else if (event.getProperty().equals(FileNavigatorPreferenceConstants.SHOW_TYPE_COLUMN)) { setColumnVisible(2, 80, (Boolean) event.getNewValue()); } else if (event.getProperty().equals(FileNavigatorPreferenceConstants.SHOW_SIZE_COLUMN)) { setColumnVisible(3, 150, (Boolean) event.getNewValue()); } else if (event.getProperty().equals(FileNavigatorPreferenceConstants.SHOW_COMMENT_COLUMN)) { setColumnVisible(4, 250, (Boolean) event.getNewValue()); } else if (event.getProperty().equals(FileNavigatorPreferenceConstants.SHOW_SCANCMD_COLUMN)) { setColumnVisible(5, 300, (Boolean) event.getNewValue()); } } }); int dateWidth = showDate ? 120 : 0; int typeWidth = showType ? 80 : 0; int sizeWidth = showSize ? 150 : 0; int commentWidth = showComment ? 250 : 0; int scanCmdWidth = showScanCmd ? 300 : 0; final int[] widths = { 350, dateWidth, typeWidth, sizeWidth, commentWidth, scanCmdWidth }; TreeViewerColumn tVCol; for (int i = 0; i < titles.length; i++) { tVCol = new TreeViewerColumn(tree, SWT.NONE); TreeColumn tCol = tVCol.getColumn(); tCol.setText(titles[i]); tCol.setWidth(widths[i]); try { tVCol.setLabelProvider(new FileLabelProvider(tree, i)); } catch (Exception e1) { logger.error("Cannot create label provider " + i, e1); } } getSite().setSelectionProvider(tree); createContent(true); // Make drag source, it can then drag into projects final DragSource dragSource = new DragSource(tree.getControl(), DND.DROP_MOVE | DND.DROP_DEFAULT | DND.DROP_COPY); dragSource.setTransfer(new Transfer[] { FileTransfer.getInstance() }); dragSource.addDragListener(new DragSourceAdapter() { @Override public void dragSetData(DragSourceEvent event) { if (getSelectedPaths() == null) return; event.data = getSelectedPaths(); } }); // Add ability to open any file double clicked on (folders open in Image Monitor View) tree.getTree().addListener(SWT.MouseDoubleClick, new Listener() { @Override public void handleEvent(Event event) { openSelectedFile(); } }); tree.getTree().addKeyListener(new KeyListener() { @Override public void keyReleased(KeyEvent e) { } @Override public void keyPressed(KeyEvent e) { if (e.character == '\n' || e.character == '\r') { openSelectedFile(); } } }); createRightClickMenu(); createActions(); if (savedSelection != null) { if (savedSelection.toFile().exists()) { tree.setSelection(new StructuredSelection(savedSelection)); } else if (savedSelection.getParent() != null && savedSelection.getParent().toFile().exists()) { // If file deleted, select parent. tree.setSelection(new StructuredSelection(savedSelection.getParent())); } } Display.getDefault().asyncExec(new Runnable() { @Override public void run() { final TreePath path = new TreePath(new Object[] { NIOUtils.getRoots().get(0) }); tree.setExpandedState(path, true); } }); }
From source file:unc.lib.cdr.workbench.arrange.ArrangementTreeViewPart.java
License:Apache License
/** * @param viewer2/*from w w w . j a v a 2 s . c o m*/ */ private void createColumns(TreeViewer viewer2) { for (int i = 0; i < headers.length; i++) { TreeViewerColumn column = new TreeViewerColumn(viewer, SWT.NONE); column.getColumn().setText(headers[i]); column.getColumn().setWidth(bounds[i]); column.getColumn().setResizable(true); column.getColumn().setMoveable(true); } viewer.getTree().setHeaderVisible(true); viewer.getTree().setLinesVisible(true); }
From source file:v9t9.gui.client.swt.shells.DemoSelector.java
License:Open Source License
/** * @param demoManager//from ww w. ja v a2s .c om */ protected TreeViewer createTable() { final TreeViewer viewer = new TreeViewer(this, SWT.READ_ONLY | SWT.BORDER | SWT.FULL_SELECTION); viewer.setComparer(new IElementComparer() { @Override public int hashCode(Object element) { return System.identityHashCode(element); } @Override public boolean equals(Object a, Object b) { return a == b || a.equals(b); } }); Tree tree = viewer.getTree(); tree.setHeaderVisible(true); tree.setLinesVisible(true); GridDataFactory.fillDefaults().grab(true, true).applyTo(tree); FontDescriptor desc = FontUtils .getFontDescriptor(JFaceResources.getFontRegistry().getBold(JFaceResources.DIALOG_FONT)); nameColumnFont = desc.createFont(getDisplay()); nameColumn = new TreeColumn(tree, SWT.LEFT); nameColumn.setText("Name"); descrColumn = new TreeColumn(tree, SWT.LEFT); descrColumn.setText("Description"); dateColumn = new TreeColumn(tree, SWT.LEFT); dateColumn.setText("Date"); viewer.setContentProvider(new DemoTreeContentProvider()); viewer.setLabelProvider(new DemoTreeLabelProvider()); viewer.setColumnProperties(NAME_PROPERTY_ARRAY); viewer.setComparator(new ViewerComparator() { /* (non-Javadoc) * @see org.eclipse.jface.viewers.ViewerComparator#isSorterProperty(java.lang.Object, java.lang.String) */ @Override public boolean isSorterProperty(Object element, String property) { return NAME_PROPERTY_ARRAY[sortColumn].equals(property); } @Override public int compare(Viewer viewer, Object e1, Object e2) { if (!sortDemos) return 0; if (e1 instanceof IDemo && e2 instanceof IDemo) { IDemo dem1 = (IDemo) e1; IDemo dem2 = (IDemo) e2; boolean l1 = isDemoLoadable(dem1); boolean l2 = isDemoLoadable(dem2); if (l1 == l2) { int diff; if (sortColumn == NAME_COLUMN) { diff = dem1.getName().toLowerCase().compareTo(dem2.getName().toLowerCase()); } else if (sortColumn == DATE_COLUMN) { try { long d1 = demoManager.getDemoLocator().getLastModified(dem1.getURI()); long d2 = demoManager.getDemoLocator().getLastModified(dem2.getURI()); diff = (int) Math.signum(d1 - d2); } catch (IOException e) { diff = dem1.getName().toLowerCase().compareTo(dem2.getName().toLowerCase()); } } else /*if (sortColumn == DESCR_COLUMN)*/ { diff = dem1.getDescription().toLowerCase() .compareTo(dem2.getDescription().toLowerCase()); } return sortDirection * diff; } else if (l1) { return -1; } else { return 1; } } else if (e1 instanceof IDemo) { return 1; } /* else if (e2 instanceof IDemo) */ { return -1; } } }); addIterativeSearch(viewer, tree); sortDemos = dialogSettings.getBoolean(SORT_ENABLED); sortDirection = dialogSettings.getInt(SORT_DIRECTION); sortColumn = dialogSettings.getInt(SORT_COLUMN); viewer.setInput(new Object()); tree.addKeyListener(new KeyAdapter() { /* (non-Javadoc) * @see org.eclipse.swt.events.KeyAdapter#keyPressed(org.eclipse.swt.events.KeyEvent) */ @Override public void keyPressed(KeyEvent e) { if (e.keyCode == '\r' || e.keyCode == '\n') { playDemo(); e.doit = false; } } }); final ViewerColumn descrViewerColumn = new TreeViewerColumn(viewer, descrColumn); final DescrViewerColumnLabelProvider descrLabelProvider = new DescrViewerColumnLabelProvider(); descrViewerColumn.setLabelProvider(descrLabelProvider); descrColumn.addControlListener(new ControlAdapter() { @Override public void controlResized(ControlEvent e) { getDisplay().asyncExec(new Runnable() { public void run() { viewer.refresh(); } }); } }); addDisposeListener(new DisposeListener() { @Override public void widgetDisposed(DisposeEvent e) { if (nameColumnFont != null) nameColumnFont.dispose(); } }); return viewer; }
From source file:v9t9.gui.client.swt.shells.modules.ModuleSelector.java
License:Open Source License
/** * @param moduleManager//from w w w. j a v a2s .c om */ protected TreeViewer createTable() { final TreeViewer viewer = new TreeViewer(this, SWT.READ_ONLY | SWT.BORDER | SWT.FULL_SELECTION); moduleImageResizer = new ILazyImageAdjuster() { @Override public Image adjustImage(Object element, URI imageURI, Image image) { //final boolean moduleLoadable = module == null || isModuleLoadable(module); //final String imageKey = imageURI.toString() + (moduleLoadable ? "" : "?grey"); Rectangle bounds = image.getBounds(); int sz = Math.max(bounds.width, bounds.height); if (sz > MAX) { sz = MAX; Image scaled = ImageUtils.scaleImage(getDisplay(), image, new Point(MAX, MAX), true, true); image.dispose(); // if (!moduleLoadable) { // Image grey = ImageUtils.convertToGreyscale(display, scaled); // scaled.dispose(); // scaled = grey; // } image = scaled; } return image; } }; try { builtinImagesURI = machine.getRomPathFileLocator() .resolveInsideURI(machine.getModel().getDataURL().toURI(), "images/"); logger.info("builtinImagesURI = " + builtinImagesURI); } catch (URISyntaxException e3) { logger.error("Failed to load stock module image", e3); } stockModuleImage = loadStockImage("stock_module_missing.png"); lazyImageLoader = new LazyImageLoader(viewer, executor, stockModuleImage); modulesListImage = EmulatorGuiData.loadImage(getDisplay(), "icons/module_list.png"); noModuleImage = ImageUtils.scaleImage(getDisplay(), EmulatorGuiData.loadImage(getDisplay(), "icons/stock_no_module.png"), new Point(MAX, MAX)); viewer.setUseHashlookup(true); viewer.setComparer(new IElementComparer() { @Override public int hashCode(Object element) { return element.hashCode(); } @Override public boolean equals(Object a, Object b) { return a == b || a.equals(b); } }); Tree tree = viewer.getTree(); tree.setHeaderVisible(true); tree.setLinesVisible(true); GridDataFactory.fillDefaults().grab(true, true).applyTo(tree); FontDescriptor desc = FontUtils .getFontDescriptor(JFaceResources.getFontRegistry().getBold(JFaceResources.DIALOG_FONT)); tableFont = desc.createFont(getDisplay()); tree.setFont(tableFont); nameColumn = new TreeColumn(tree, SWT.LEFT); nameColumn.setText("Name"); final ModuleContentProvider contentProvider = new ModuleContentProvider(); viewer.setContentProvider(contentProvider); CellLabelProvider cellLabelProvider = new CellLabelProvider() { @Override public void update(ViewerCell cell) { if (cell.getElement() instanceof URI) { URI uri = (URI) cell.getElement(); String text = machine.getRomPathFileLocator().splitFileName(uri).second; cell.setText(text); cell.setImage(getModuleListImage()); } else if (cell.getElement() instanceof IModule) { IModule module = (IModule) cell.getElement(); cell.setText(module.getName()); ModuleInfo info = module.getInfo(); cell.setForeground(isModuleLoadable(module) ? null : viewer.getControl().getDisplay().getSystemColor(SWT.COLOR_TITLE_INACTIVE_FOREGROUND)); cell.setImage(getOrLoadModuleImage(module, module, info != null ? info.getImagePath() : null)); } else { cell.setText(String.valueOf(cell.getElement())); cell.setImage(getNoModuleImage()); } } }; viewer.setLabelProvider(cellLabelProvider); viewer.setColumnProperties(NAME_PROPERTY_ARRAY); viewer.setComparator(new ViewerComparator() { /* (non-Javadoc) * @see org.eclipse.jface.viewers.ViewerComparator#isSorterProperty(java.lang.Object, java.lang.String) */ @Override public boolean isSorterProperty(Object element, String property) { return "name".equals(property); } @Override public int compare(Viewer viewer, Object e1, Object e2) { if (!sortModules) return 0; if (e1 instanceof IModule && e2 instanceof IModule) { IModule mod1 = (IModule) e1; IModule mod2 = (IModule) e2; boolean l1 = isModuleLoadable(mod1); boolean l2 = isModuleLoadable(mod2); if (l1 == l2) return sortDirection * mod1.getName().toLowerCase().compareTo(mod2.getName().toLowerCase()); else if (l1) return -1; else return 1; } else if (e1 instanceof IModule) { return 1; } /* else if (e2 instanceof IModule) */ { return -1; } } }); selectedModule = null; addIterativeSearch(viewer, tree); sortModules = dialogSettings.getBoolean(SORT_ENABLED); sortDirection = dialogSettings.getInt(SORT_DIRECTION); moduleMap = new LinkedHashMap<URI, Collection<IModule>>(); revertModules(); viewer.setInput(new ModuleInput("No module", moduleMap)); viewer.expandToLevel(3); viewer.setSelection(new StructuredSelection(moduleManager.getLoadedModules()), true); tree.addKeyListener(new KeyAdapter() { /* (non-Javadoc) * @see org.eclipse.swt.events.KeyAdapter#keyPressed(org.eclipse.swt.events.KeyEvent) */ @Override public void keyPressed(KeyEvent e) { if (e.keyCode == '\r' || e.keyCode == '\n') { switchModule(false); e.doit = false; } else if (e.keyCode == SWT.ARROW_LEFT) { if (selectedModule != null) { viewer.setSelection(new StructuredSelection(contentProvider.getParent(selectedModule))); } } } }); TreeViewerColumn nameViewerColumn = new TreeViewerColumn(viewer, nameColumn); nameViewerColumn.setLabelProvider(cellLabelProvider); editingSupport = new ModuleNameEditingSupport(viewer, dirtyModuleLists); nameViewerColumn.setEditingSupport(editingSupport); addDisposeListener(new DisposeListener() { @Override public void widgetDisposed(DisposeEvent e) { for (Image image : stockImages.values()) image.dispose(); stockImages.clear(); if (modulesListImage != null) modulesListImage.dispose(); if (noModuleImage != null) noModuleImage.dispose(); if (tableFont != null) tableFont.dispose(); /*for (Image image : loadedImages.values()) { image.dispose(); }*/ } }); lazyImageLoader.addListener(new ILazyImageLoadedListener() { @Override public void imageLoaded(Object element, URI imageURI, Image image) { if (element != null) viewerUpdater.post(element); } }); return viewer; }
From source file:v9t9.gui.client.swt.shells.PathSetupComposite.java
License:Open Source License
/** * //from w ww . jav a 2 s. co m */ private void createROMTable(Composite parent) { viewer = new TreeViewer(parent); viewer.setAutoExpandLevel(2); Tree tree = viewer.getTree(); GridDataFactory.fillDefaults().grab(true, true).minSize(-1, 96).applyTo(tree); tree.setHeaderVisible(true); tree.setLinesVisible(true); TreeViewerColumn nameColumn = new TreeViewerColumn(viewer, SWT.LEFT); nameColumn.getColumn().setText("Name"); TreeViewerColumn fileColumn = new TreeViewerColumn(viewer, SWT.LEFT); fileColumn.getColumn().setText("File(s)"); TreeViewerColumn dirColumn = new TreeViewerColumn(viewer, SWT.LEFT); dirColumn.getColumn().setText("Path(s)"); romTreeContentProvider = new ROMSetupTreeContentProvider(requiredRoms, optionalRoms, machine); viewer.setContentProvider(romTreeContentProvider); viewer.setLabelProvider(new ROMSetupLabelProvider(machine, romTreeContentProvider)); viewer.setInput(new Object()); }